The Bolt,shoulder, cataloged under National Stock Number 5306-00-320-8642, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-320-8642 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.225 INCHES NOMINAL IN |
| Fastener Length | 1.688 INCHES NOMINAL IN |
| Shoulder Length | 0.525 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 0.938 INCHES MINIMUM IN |
| Shoulder Shape | HEXAGONAL FIRST SHOULDER |
| Material Document and Classification | QQ-S-763,CL 7,TY A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.000 INCHES NOMINAL IN |
| Shoulder Width Across Flats | 0.624 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 303 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 8830490-1 | 3/9 Design control — primary reference Rca Corp Distributor and Special Products Div |
| 8830490-1 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
NSN 5306-00-320-8642 is a Bolt,shoulder, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-00-320-8642: Head Height: 0.225 INCHES NOMINAL IN; Fastener Length: 1.688 INCHES NOMINAL IN; Shoulder Length: 0.525 INCHES NOMINAL FIRST SHOULDER IN; Thread Length: 0.938 INCHES MINIMUM IN. 15 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.